Home / 1,902,627.28-2,625,707.64-1,138,533.76

Finding the Fourth Proportional to 1,902,627.28, 2,625,707.64 and 1,138,533.76

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Solution

The fourth proportional to 1,902,627.28, 2,625,707.64 and 1,138,533.76 is: 1,571,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,627.28 : 2,625,707.64 = 1,138,533.76 : x
  2. Step 2: Convert to fraction form
    1,902,627.28/2,625,707.64 = 1,138,533.76/x
  3. Step 3: Cross multiply
    1,902,627.28x = 2,625,707.64 × 1,138,533.76
  4. Step 4: Simplify right side
    1,902,627.28x = 2,989,456,792,029.93
  5. Step 5: Solve for x
    x = 2,989,456,792,029.93/1,902,627.28
  6. Step 6: Final answer
    x = 1,571,225.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.